AN OFF-SHORE OIL-RIG IS PUMPING OIL FROM THE SEA AT THE RATE OF 1...
10. An off-shore oil-rig is pumping oil from the sea at the rate of 1 barrel per minute,and consumes water at the rate of 0.1 barrel per minute. A pipeline connectingthe oil-rig to shore is used to pump oil to shore and water to the oil-rig. When theoil tap is turned on, it takes 6 minutes for the oil to reach shore, and when the oiltap is turned off, it takes 6 minutes before the pipeline is free of oil. When thewater tap is turned on, it takes 6 minutes for the water to reach the oil-rig, andwhen the water tap is turned off, it takes 6 minutes before the pipeline is free ofwater. On the oil-rig, there is a large oil drum and a 13.2 barrel capacity waterdrum. What is the minimum rate per minute of transmission for the pipe-line?